Adjustable pillow



FIG. 1 is a top perspective view of an thereof;

FIG. 2 is a top view thereof;

FIG. 3 is an end view, with the opposite end being a mirror image thereof;

FIG. 4 is a side view, with the opposite side being a mirror image thereof; and,

FIG. 5 is a bottom view thereof.

Only one end view of the adjustable pillow is provided in FIG. 3 because the other end view is the mirror image thereof.

Only one side view of the adjustable pillow is provided in FIG. 4 because the other side view is the mirror image thereof. 

CLAIM The ornamental design for an adjustable pillow, as shown and described. 